Home / 1,777,816.20-2,664,650.70-712,331.40

Finding the Fourth Proportional to 1,777,816.20, 2,664,650.70 and 712,331.40

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Solution

The fourth proportional to 1,777,816.20, 2,664,650.70 and 712,331.40 is: 1,067,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,816.20 : 2,664,650.70 = 712,331.40 : x
  2. Step 2: Convert to fraction form
    1,777,816.20/2,664,650.70 = 712,331.40/x
  3. Step 3: Cross multiply
    1,777,816.20x = 2,664,650.70 × 712,331.40
  4. Step 4: Simplify right side
    1,777,816.20x = 1,898,114,363,641.98
  5. Step 5: Solve for x
    x = 1,898,114,363,641.98/1,777,816.20
  6. Step 6: Final answer
    x = 1,067,666.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.